Author Khi123 in Mathematics, 08.09.2018

Use the form y=mx +b for linear equations.Write the equation for the following relation.C = {(x, y): (6, 15), (8, 21), (10, 27), . . .}

Answered by Report

I'm not sure if the answer is right, but here you go.y=mx+b 'm' is for gradient of the line. First, calculate the gradient.Let's use (6,15) and (8,21)Gradient, m =  -                     --------------                      -                                   =  21 - 15     = 6       = 3                     -----------      ----                          8 - 6         2           Therefore, m = 3 . Now let's search 'b' .Let's use (6,15) again. Substitute it into the equation.y=mx+b 15 = 3 (6) + bb = -3Thus, the equation : y=3x -3

Didn't find the right answer?

Use site search If you are not satisfied with the answer. Or browse Mathematics category to find out more.